Mathematics Fractions Procedural 9–10 yrs

Comparing fractions (age 9+)

比较分数（9岁+）

Description

Compare and order fractions with different numerators and denominators by creating common denominators/numerators or comparing to a benchmark such as 1/2; justify conclusions with visual models

Mastery Evidence
  • ✓ Compare 3/8 and 5/12 by finding a common denominator of 24
  • ✓ Order 2/3, 3/5, and 7/10 from smallest to largest
  • ✓ Use the benchmark 1/2 to decide that 5/8 > 3/7
Assessment Prompt

If your child has eaten 2/3 of their lunch and a friend has eaten 3/4 of theirs, can they work out who's eaten more — by finding a common way to compare the fractions?

Prerequisites 2
Equivalent fractions (age 9+)
数学 · 9–10y
必须先能生成等值分数，再使用公分母进行比较
Comparing fractions (age 8+)
数学 · 8–9y
同分子/同分母的分数比较是不同分母分数比较的先决条件
Unlocks 2
Understanding fractions (age 9+)
数学 · 9–10y
Comparing fractions (age 10+)
数学 · 10–11y